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Westinghouse LM21000 - Molded Case 900A 600V (2-Pole Bolt-On)

Westinghouse
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Westinghouse LM21000 Circuit Breaker - Molded Case 900A 600V Thermal Magnetic (2-Pole Bolt-On) The Westinghouse LM21000 is a molded case circuit breaker from the LM Series, designed for overcurrent protection in industrial power distribution systems. It features a thermal magnetic trip mechanism with LI (Long-Time and Instantaneous) functions, rated for 600V AC and 900A continuous current in a single-phase configuration. This 2-pole breaker weighs 65 lb and utilizes a bolt-on connection, with an interrupting capacity of 22kA at 480V. It complies with industry standards for molded case circuit breakers, suitable for protecting feeders and large branch circuits in manufacturing plants, commercial buildings, and heavy machinery applications.

Key Features & Specifications
  • Type: Molded Case, LM Series, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 900A
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic (LI - Long-Time and Instantaneous)
  • AIC Rating: 22kA@480V
  • Phase: 1
  • Weight: 65 lb
  • Functions: LI - Long-Time and Instantaneous
  • Family: LM Series
  • Item Subcategory: Molded Case
  • Type: LM


Product Identification
  • Manufacturer: Westinghouse
  • Model: LM21000